One of the interesting problems I was facing in the recent weeks was multi-tenant security. Combine it with fuzzy all-encompassing vapor-based terminology and you have a perfect mix that can fit anything you want to sell. In the Ensuring multi-tenant security in cloud servicesI wrote for SearchTelecom.com I tried to structure the cloudy visions a bit: let’s figure out which type of service we’re talking about, then we can discuss what security mechanisms make sense.

As you might expect, I find IaaS the most challenging as you’re bound to hit a number of roadblocks, from VLAN limitations to architectural limitations of virtual security appliances.

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Sorry, Ivan... not a fan of the old "you must subscribe to view" sites, where I give them my details and they pass them on to other agencies (why else would they want me to subscribe?.. when a lot of excellent and very well respected sites don't make this demand).

Ivan Pepelnjak, CCIE#1354 Emeritus, is an independent network architect. He has been designing and implementing large-scale data communications networks as well as teaching and writing books about advanced technologies since 1990. See his full profile, contact him or follow @ioshints on Twitter.

The author

Ivan Pepelnjak (CCIE#1354 Emeritus), Independent Network Architect at ipSpace.net,
has been designing and implementing large-scale data communications networks as well as teaching and writing books about advanced internetworking technologies since 1990.